Electronic device including front end modules for wireless environment

Patent metadata

Field	Value
Publication number	US-2024322770-A1
Application number	US-202418597331-A
Country	US
Kind code	A1
Filing date	Mar 6, 2024
Priority date	Mar 23, 2023
Publication date	Sep 26, 2024
Grant date	—

Abstract

An electronic device is provided. The electronic device includes: a first antenna, a second antenna, and a third antenna, a first power supply circuit, a second power supply circuit, a first front end module (FEM) including a power amplifier (PA) connected to the first antenna and configured to operate based on a voltage from the first power supply circuit, a second FEM including a PA connected to the second antenna and configured to operate based on a voltage from the second power supply circuit, a third FEM including a PA connected to the third antenna and configured to operate based on the voltage from the first power supply circuit and the voltage from the second power supply circuit and obtain a transmit (Tx) power in a range higher than a range of Tx power obtained using each of the PA in the first FEM and the PA in the second FEM, and at least one processor.

First claim

What is claimed is:

1 . An electronic device comprising:
a first antenna, a second antenna, and a third antenna; a first power supply circuit; a second power supply circuit; a first front end module (FEM) including a power amplifier (PA) connected to the first antenna and configured to operate based on a voltage from the first power supply circuit; a second FEM including a PA connected to the second antenna and configured to operate based on a voltage from the second power supply circuit; a third FEM including a PA connected to the third antenna and configured to operate based on the voltage from the first power supply circuit and the voltage from the second power supply circuit and obtain a transmit (Tx) power in a range higher than a range of Tx power obtained using each of the PA in the first FEM and the PA in the second FEM; at least one processor comprising processing circuitry; memory, storing instructions, comprising one or more storage mediums; and at least one processor, wherein the instructions, when executed by the at least one processor individually or collectively, cause the electronic device to:
transmit, via the third antenna, a signal with a Tx power obtained using the PA in the third FEM operating based on the voltage from the first power supply circuit and the voltage from the second power supply circuit; and
while the signal is transmitted via the third antenna, through the at least one switch, electrically disconnect the PA in the first FEM from the first power supply circuit and electrically disconnect the PA in the second FEM from the second power supply circuit.

2 . The electronic device of claim 1 , wherein the instructions, when executed by the at least one processor, cause the electronic device to:
electrically disconnect, through the at least one switch, the PA in the first FEM from the first power supply circuit to block the voltage from the first power supply circuit provided to the PA in the third FEM for the transmission of the signal provided to the PA in the first FEM; and electrically disconnect, through the at least one switch, the PA in the second FEM from the second power supply circuit to block the voltage from the second power supply circuit provided to the PA in the third FEM for the transmission of the signal provided to the PA in the second FEM.

3 . The electronic device of claim 1 , wherein the at least one switch includes a switch in the third FEM including: a first electrode connected to the PA in the first FEM, a second electrode connected to the PA in the second FEM, a third electrode connected to the PA in the third FEM, a fourth electrode connected to the first power supply circuit, and a fifth electrode connected to the second power supply circuit, and
wherein the instructions, when executed by the at least one processor, cause the electronic device to: by controlling, while the signal is transmitted via the third antenna, the switch to connect the fourth electrode to the third electrode from among the first electrode and the third electrode and connect the fifth electrode to the third electrode from among the second electrode and the third electrode:
electrically disconnect the PA in the first FEM from the first power supply circuit;
electrically disconnect the PA in the second FEM from the second power supply circuit; and
provide the voltage from the first power supply circuit and the voltage from the second power supply circuit to the PA in the third FEM for the transmission of the signal.

4 . The electronic device of claim 3 , wherein the instructions, when executed by the at least one processor, cause the electronic device to:
control, while a signal is transmitted via the first antenna, the switch to connect the fourth electrode to the first electrode from among the first electrode and the third electrode; and control, while a signal is transmitted via the second antenna, the switch to connect the fifth electrode to the second electrode from among the second electrode and third electrode.

5 . The electronic device of claim 3 , wherein the third FEM further includes: a first pin connected to the first electrode, a second pin connected to the second electrode, a third pin connected to the fourth electrode, and a fourth pin connected to the fifth electrode,
wherein the PA in the first FEM is connected to the first electrode via the first pin, wherein the PA in the second FEM is connected to the second electrode via the second pin, wherein the first power supply circuit is connected to the fourth electrode via the third pin, and wherein the second power supply circuit is connected to the fifth electrode via the fourth pin.

6 . The electronic device of claim 1 , wherein the at least one switch includes:
a switch positioned outside of the first FEM, the second FEM, and the third FEM and including: a first electrode connected to the PA in the first FEM, a second electrode connected to the PA in the second FEM, a third electrode connected to the PA in the third FEM, a fourth electrode connected to the first power supply circuit, and a fifth electrode connected to the second power supply circuit, wherein the instructions, when executed by the at least one processor, cause the electronic device to: by controlling, while the signal is transmitted via the third antenna, the switch to connect the fourth electrode to the third electrode from among the first electrode and the third electrode and connect the fifth electrode to the third electrode from among the second electrode and the third electrode:
electrically disconnect the PA in the first FEM from the first power supply circuit;
electrically disconnect the PA in the second FEM from the second power supply circuit; and
provide the voltage from the first power supply circuit and the voltage from the second power supply circuit to the PA in the third FEM for the transmission of the signal.

7 . The electronic device of claim 1 , wherein the at least one switch includes:
a switch in the first FEM for connecting the PA in the first FEM to the first power supply circuit and disconnecting the PA in the first FEM from the first power supply circuit, a switch in the second FEM for connecting the PA in the second FEM to the second power supply circuit and disconnecting the PA in the second FEM from the second power supply circuit, and a switch in the third FEM for connecting the PA in the third FEM to the second power supply circuit and disconnecting the PA in the third FEM from the second power supply circuit, and wherein the instructions, when executed by the at least one processor, cause the electronic device to: while the signal is transmitted via the third antenna, control the switch in the first FEM to electrically disconnect the PA in the first FEM from the first power supply circuit; while the signal is transmitted via the third antenna, control the switch in the second FEM to electrically disconnect the PA in the second FEM from the second power supply circuit; and provide, by controlling the switch in the third FEM to connect the PA in the third FEM to the second power supply circuit to transmit the signal via the third antenna, the voltage from the first power supply circuit and the voltage from the second power supply circuit to the PA in the third FEM.

8 . The electronic device of claim 7 , wherein the switch in the third FEM includes:
a first electrode respectively connected to the first power supply circuit and the PA in the third FEM; and a second electrode connected to the second power supply circuit, and wherein the instructions, when executed by the at least one processor, cause the electronic device to: provide, by controlling the switch in the third FEM to connect the first ele

Assignees

• Samsung Electronics Co Ltd

Inventors

• Moon Yohan
• Kang Hyunsang
• Na Hyoseok
• Yang Dongil

Classifications

• H03F3/245 Primary

  with semiconductor devices only · CPC title

• H03F2200/451

  the amplifier being a radio frequency amplifier · CPC title

• H04B2001/045

  with means for improving efficiency · CPC title

• H04B1/04 Primary

  Circuits · CPC title